Medical Definition of analytic. 1  1: of or relating to analysis; especially : separating something into component parts or constituent elements. 2  2: psychoanalytic.
Umbilical arterial (UA) Doppler assessment is used in surveillance of fetal well-being in the third trimester of pregnancy. Abnormal umbilical artery Doppler is a marker of uteroplacental insufficiency and consequent intrauterine growth restriction (IUGR) or suspected pre-eclampsia.
Doppler assessment of impedance to ï¬ow in the umbilical. artery (UA), fetal middle cerebral artery (MCA) and the. ratio of the pulsatility index (PI) in these vessels, or. cerebroplacental ratio (CPR), are used for assessment.